diff --git a/Cargo.lock b/Cargo.lock
index 9368288..5a07f5d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -24,7 +24,7 @@ dependencies = [
  "env_logger",
  "fslock",
  "glifparser",
- "itertools",
+ "itertools 0.11.0",
  "kurbo 0.8.3",
  "log",
  "mfek-ipc",
@@ -411,7 +411,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9deedc0ff8e4848dbc1029e555af16390a8d2ff406f05a2f46c8bd14b2f4de4d"
 dependencies = [
- "itertools",
+ "itertools 0.10.5",
  "roots",
  "smallvec",
 ]
@@ -499,7 +499,7 @@ dependencies = [
  "float-cmp",
  "image",
  "integer_or_float",
- "itertools",
+ "itertools 0.10.5",
  "kurbo 0.9.0",
  "log",
  "plist",
@@ -659,6 +659,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.4"